Table 5.

Comparison of nutritional composition of Special low-protein foods (SLPF) vs. corresponding regular products. Comparison of contents of some regular products compared to same special low-protein counterpart are represented (for every 100 g of product). Unpaired t-test has been used to detect differences, if present. *p-value <0.05, **p-value <0.001.

	Common foods			Special low-protein foods
	Bread	Pasta	Biscuits	Bread	Pasta	Biscuits
Magnesium, mg	15,1 ± 9,8	75,5 ± 24	15,6 ± 4,8	6,7 ± 0,3**	Traces**	6,8 ± 1,9**
Calcium, mg	64,3 ± 42,4	24,8 ± 3,7	53 ± 39,4	14,2 ± 5,9**	13,9 ± 5,5*	10,2 ± 3,7**
Vitamin D, μg	0,11 ± 0,2	0,17 ± 0,17	0,5 ± 1,1	0*	0*	0*